Eliminate inadequate water pressure or simply create a more exhilarating shower experience
Whether it’s to address inadequate water pressure or simply to create a more exhilarating shower experience, Grundfos has a pump for you. All Grundfos shower pumps conform to both European and UK standards, including UK WRAS product approval, are backed by a comprehensive manufacturer’s warranty and are supported by a Customer Service Department and Technical Helpline that are second to none.
Positive Head System
- A positive head condition exists. where the flow from the outlets is more that 0.5 litre/min.
- This is usually when there is is sufficient pressure, under gravity , to provide a flow at the outlet
- A negative head condition exists where the flow from the outlet is less than 0.5 litre/min.
- This is usually when there is insufficient pressure, under gravity, to provide a flow at the outlet.
In pump performance, 1.0 Bar is generally considered low pressure, 1.5-2.0 Bar medium pressure and ≥3.0 Bar high pressure, eg. to run multiple showers/heads.
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Perfect Water Throughout The Home
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Single impeller pumps are generally used to boost the pressure of cold water supplied to a combi boiler (SSR, SSP or STP) or unvented cylinder (SSP or STP), whilst twin impeller pumps are used to boost the pressure of hot and cold water to a single shower (STR, SSP or STP), multiple showers or a whole domestic house system (Amazon).
A shower pump should be sited as close to the hot water cylinder as possible, however, if the shower pump is fitted in the loft or above the hot water cylinder (minimum static head required), please see Pump Location tab for example installations.